Constituent
Name
cadmium(II) chloride
Official name
Cadmium(II) chloride
Family
ionic solid
Class
normal salt
Compound type
chloride
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Formula
$Cd^{2+} \cdot (Cl^-)_2$
Chemical formula
CdCl2
Elemental formula
(Cd2+) (Cl-)2
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Cd^{2+}$ Cadmium cation element 1 0.3333333333333333 1 constituent cation main
$Cl^-$ Chloride anion element 2 0.6666666666666666 1 constituent anion main
Composition comments
2 hydtates are known: CdCl2•H2O and CdCl2•5H2O
Chemical bonds
  Bond Number
$\cdot Cd^{2+} \cdot Cl^{-}$ 6
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Crystal system
trigonal
Crystal class
ditrigonal-scalenohedral
Crystal class symbol
-3m (D3d)
Crystal spacegroup
R-3m
Comments
Although considered to be ionic, CdCl2 has considerable covalent character to its bonding.
Texture
polycrystalline
Molar mass
183.31 $g/mol$
Density
4.05 $g/cm^3$
Refringence type
uniaxial
Color
colorless, white
Diaphaneity
transparent to translucent
Luster
vitreous